REPAIR/ MAINTENANCE OF CENTRAL AC PLANTS OF CAP 3 X 30 TR AT NBC LAB, 3 X 11 TR AT LOGISTIC SECTION, 2X25 TR AT ARD 3 ETH, 2X24 TR AT ERG 3 ETH, 2X7.5 TR AT RECOIL SECTION AND 2X7.5 TR AT FVGCE IN 505 ABW AND REPAIR/MAINTENANCE OF COLD STORAGEV ROOM

Amount

M&L for de-scaling condensers of central AC Plant of capacity 3 x 30 TR at NBC Lab, 505 ABW, by opening side plate, flushing the condenser tubes, using de-scaling soluation of suitable gravity, rodding the condenser tubes carefully removing all the deposited materials completely and raising the soluation through condenser tubes till clear water starts to come out from the condenser as complete including re-fixing the side plates by replacing gasket and testing complete for satisfactory working complete all as specified and directed by the Engr-in-Charge.

-diitto- all as per item no 1.00 above but Capacity of AC Plant 2 x 25 TR at ARD 3 ETH, 505 ABW.

-diitto- all as per item no 1.00 above but Capacity of AC Plant 2 x 24 TR at ERG 3 ETH, 505 ABW.

M&L for servicing condensers of Package type AC Plant of capacity 3 x 11 TR( 2 Nos condensers per unit) at Logistic section, 505 ABW by scraping/ removing the deposit materials from condenser coil using vamuklin 2RA, clean solution and cleaning cleaning condenser coil by pressurized water using pump through blower, detection of leakage, repair of damaged condencing coil tubes with necessary welding/ brazing and lubricating the all bearings, checking motor foundation, nuts, bolts, washers, etc. and replacing the same if required and testing complete for satisfactory working complete all as specified and directed by the Engr-in-Charge.

-diitto- all as per item no 4 above but Capacity of AC Plant 2x7.5 TR at 505 ABW.

Supply and fixing in repair pumpset tyre coupling including bolts, rubber bush/tyre , lathe work if required for 5 H.P capacity pumpset, complete all as specified and directed by the Engr-in-Charge. (Make : as per sample)

Supply and fixing in repair Drier Cores filter for chiller unit of package type AC plant of Cap. 2X 7.5 TR (Make:- Denfoss/Indfoss)

Supply and fixing in repair Drier Cores filter for chiller unit of central AC plant of Cap 15 to 30 TR (Make:- Denfoss/Indfoss)

Supply and fixing in replacement Air duct heaters (heater bank) for AHU's of capacity 40/60kW, 415V, and making all electrical connections, complete all as specified and directed by Engr-in-Charge. (Make:- Delta/ABB/Danfoss).

Supply and fixing in repair humidity self priming motor pump set of cap 0.5 HP single phase 240 volt complete all as specified and directed by Engineer-in-Charge. (Make:- Usha/ M/s Seetal /HP/Amcrate )

M& L for taking down/ removing unserviceable plaster along with glass wool and GI wire mesh and material and labour for glass wool and wrapped with GI wire mesh and rendering 15 mm thick in Cement Mortar (1:4) over newly provided glass wool and wire mesh of 100 mm dia pipe complete all as directed by Engr-in-Charge.

M& L for taking down/ removing unserviceable plaster along with glass wool and GI wire mesh and material and labour for glass wool and wrapped with GI wire mesh and rendering 15 mm thick in Cement Mortar (1:4) over newly provided glass wool and wire mesh of 80 mm dia pipe complete all as directed by Engr-in-Charge.

Material and labour for Overhauling and repairing of any size refrigerant suction/ delivery liquid line valve including servicing of valve, replacement of packing material, sealing rings, Teflon washers and testing complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in repairs thermostat for AHU room, as per existing size & specification complete all as specified and as directed. (Make:-SIEMENS/ DANFOSS/ INDFOSS/ANERGY).

M&L for Supply, installation, testing and commissioning in replacement of 3-Way Mixing valve suitable for voltas reciprocating compressor of capacity 30 TR, complete all as specified and directed by Engineer-in-charge.

M&L for 100 mm thick cement concrete type C-2, 1:3:6 ( 40 mm graded aggregate) including finishing surface of concrete topping even and fair ( without using extra cement), and finishing surface of concrete in floors including taking down complete all as specified & directed.

Supply and topping up of refrigerant Gas R - 22/407 (Make:- Mefron or equivalent ISI approved as directed by Engr-in-Charge).

S&F in replacement Phase indication lights of suitable colour, 240V AC suitable for mounting on LT panel, complete all as specified and directed by Engr-in-Charge. (Make:- ESBEE)

S&F in replacement on/off/trip indication lights of suitable colour, 240V AC, suitable for mounting on LT panel compete all as specified and directed by Engr-in-Charge. (Make:- ESBEE)

S&F in replacement on/off push buttons suitable for mounting on LT panels, complete all as specified and directed by Engr-in-Charge. (Make:- ESBEE)

S&F in replacement moulded case circuit breakers(MCCB) 125 Amps, adjustible type, 4 Pole, 36 kA, thermal magnetic with rotary handle and spreader compete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement moulded case circuit breakers(MCCB) 100 Amps, adjustible type, 4 Pole, thermal magnetic with rotary handle and spreader compete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement miniature circuit breaker (MCB) 63 Amps, 4 Pole, 25 KA complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement miniature circuit breaker (MCB) 32 Amps, 4 Pole, 25 KA complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement 'C' curve miniature circuit breaker (MCB) 6-32 Amps, single pole (SP), 10 KA complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement power contactor, 32 Amps triple pole (TP), AC 3 duty, complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement power contactor, 25 Amps triple pole (TP), AC 3 duty, complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in replacement power contactor, 18 Amps triple pole (TP), AC 3 duty, with add on block, complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in repair auxillary contactor (add-on block), suitable for 18-32 amps power contactors, complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in repair overload relay 14-23 amps,complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in repair overload relay 9-15 amps,complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in repair star/delta timer range 3-30 seconds,suitable for LT panels complete all as specified and directed by Engr-in-Charge. (Make:- L&T or equivalent in ABB/Legrand)

S&F in repair solid state single phasing preventer type VSP2 complete all as specified and directed by Engr-in-Charge. (Make:- Minilec/ L&T/ Siemens/Legrand/ ABB/ C & S.)

Supply and fixing in repairs of Pre filter 10 micron of size 600mm x 600x 50mm made of out of GI wire mesh interspaced with two crimp layers and three flat layers flanged deep box type and efficiency 90% as per existing size and pattern for the all three AC Plant air handling unit complete all as speicifed and directed by Engr-in-charge. (Make:- Athlete or equivalent as approved by Accepting Officer)

-ditto- all as per item No. 36 above but size 600mm x 300mm x 50mm.

-ditto- all as per item No. 36 above but size 300mm x 300mm x 50mm.

Disconnecting from mains/taking out existing unserviceable/defective Monoblock Pump set of capacity 3/5 H.P and repair/ replacement of bushings, worn out nuts, bolts washers, gaskets, gland etc and positioning the pump set and connecting up in existing position and testing complete all as specified and as directed by Engineer-in-Charge.

Disconnecting from mains/taking out existing unserviceable/defective Monoblock Pump set of capacity 7.5 H.P and repair/ replacement of bushings, worn out nuts, bolts washers, gaskets, gland etc and positioning the pump set and connecting up in existing position and testing complete all as specified and as directed by Engineer-in-Charge.

Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 3/5 HP of any size, type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed by Engineer-in-Charge.

Overhauling, testing and commisioning of semi sealed reciprocaing compressor unit of package type AC plant of Cap. 2 X 7.5 TR Model No. 06D-018, Make-Voltas of capacity 7.5 TR. Overhauling including disconnecting/ dismantling of suction and discharge valves, side covers other control accessories, Shifting the faulty compressor parts to the contractors workshop for certain required repairs including stator rewinding, grinding, polishing etc. Refixing the repaired/Replaced parts in its original position under supervision of site-in-charge all as specified and directed by the Engineer-in-Charge. Note:- (i) Required Spare parts to be replaced during overhaluing shall be measured and paid seperatly as 'Supply only' under relevent items. (ii) Transportation charge & labour charges for taking down old spares and fixing of new spares shall deemed to be included in quoted rate.

Supply only the follwing spare parts for the compressor model No. 06D-018, Make-Voltas.

Pistons

Connecting rod

Pin and bush

Main bush

Suction and discharge reed

Piston Ring set

Gasket set

Oil pump assembly

M&L brick work with burnt brick best quality locally available brick old size laid straight or curved on plan to any radius built in cement mortar 1:4, including taking down old unserviceable one complete all as specified and directed

M&L for plastering 10 mm thick on fair faces of brick work in cement mortar 1:4 and finishing the surface even & smooth (without using extra cement), complete all as specified and directed

M&L for Preparation of new plastered surfaces of walls and applying two coats of whitewash complete all as specified and directed by engineer in charge.

Materials and labour for PCC (1:2:4) type B-2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete including demolition of existing foundation and removing from site complete all as specified and as directed.

M&L for Dismantling old/Unserviceable/rusted ,Supply/Return/Fresh Air GI Duct of any size/shape/dia with insulation from walls, roofs, ceiling for replacement complete Including Ducting Supports , rubber gaskets, elbows, vanes, & supports etc. from central AC plants, complete all as specified and directed by engineer-in-chrage.

Supply, assemble and errection of ducting, made up of GI Sheets of 0.8mm (22 guage) thickness as in Air Condition Ducting including fabrication for required size, patch work, fixing on walls, roofs or ceiling or in existing iron frame work including all accessories such as Corner, Cleat, Carriage bolt, Gasket, lap joint, welding, reverting and appropriate sealant on longitudinal joints etc. complete all as specified and as directed by Engr-in-charge. (Make:- TATA/ JINDAL/ SAIL)

M&L for Supply and installation of thermal insulation material 25 mm thick for non-exposed Ducts with closed cell class o nitrile rubber elastomeric insulation of density 40-60 Kg/m3 thermal conductivity of 0.033-0.038 W/mk and µ>=7000 (k-flex st) to be applied on ducts using manufacturers recommended rubber based adhesive as per the approved specification the material should be from global approved & UL approved for new ducts as required at site complete all as specified and directed by engineer-in-charge. (Make:- KFLEX/ARMAFLEX/PARAMOUNT)

M&L for Supply and installation in replacement of 50mm thick resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier insulation in existing ducts of AC plants, applying rubber based adhesive CPRX compound including wraping, pasting complete and cover the insulation one side with GI wire Mess netting after cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof against any leakage and securing the insulation with and including mechanically fastened nylon/ steel straps of size 12 mm/50 mm at maximum intervals of 1.2 mtr, including taking down old unserviceable one, complete all as directed by Engr-in-Charge. (Make:- Shri Fire Pack/ Impex Insulation/ Trans Insulation).

M&L for Dismantling old/Unserviceable/rusted Supply/Return Air Diffuser/Dampers/side Grilles/VCD , of any size, type, shape from any location at Central AC Plants, complete all as specified and directed by engineer-in-charge.

M&L for Supply, fixing of powder coated extruded aluminum rectangular diffusers of required sizes with black anodized extruded aluminum volume control damper, nuts, bolts, screws etc.complete all as specified and directed by engineer-in-charge.

M&L for Supply, fixing of powder coated extruded aluminum rectangular diffusers of required sizes without volume control damper, along with nuts, bolts, screws etc.complete all as specified and directed by engineer-in-charge.

Supply & Fixing of powder coated extruded aluminum supply & return grills complete with fixing accessories like nuts, bolts, screws etc. complete all as specified and directed by engineer-in-charge. (Make : Mapro/brightflow/ Ravistar)

M&L for taking out old MS pipes and Supplying & laying , testing & commissioning mild steel (Heavy) 'C' class pipe of size 50 mm dia on exposed surface / underground (in trenches) including welding works, connections with existing chiller/condenser water line, chiller/condenser pump, fabrication of bends, MS flange, tees, reducers, shoe, support ( brick masonry block & wooden support for underground / MS angle- clamp & wooden support for exposed surface ) along with priming coat of steel primer as per standard specification. Note:- (i) The rates quoted by the contractor shall deemed to include the cost of MS fittings required during laying of MS Pipes. (ii) The Pipes of sizes 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be heavy class of thickness min. 7mm as per IS: 3589 (Make:- JINDAL/TATA/PRAKASH SURYA)

-ditto- all as per item No. 56 above but of size 80 mm dia

-ditto- all as per item No. 56 above but of size 100 mm dia

M&L for Taking out old corroded GI water tubing of 40/50 mm dia.

-ditto- all as per item No. 59 above but 25 mm dia.

Supply and laid complete with all fittings in trenches/exposed surface, GI Tubing 'Medium grade' of dia 50 mm. (Make:- JINDAL/TATA/PRAKASH SURYA)

-ditto- all as per item No. 61 above but 40 mm dia.

-ditto- all as per item No. 61 above but 25 mm dia.

Supply and fixing in repairs cast iron butter fly valves lever operated SS disc type nitrile/EPDM rubber lining PN 16 of dia 125 mm complete all as specified and directed by the Engr-in-Charge. (Make: - AUDCO/ LEADER/ZOLOTO).

-ditto- all as per item No. 64 above but 100mm dia.

-ditto- all as per item No. 64 above but 80 mm dia.

-ditto- all as per item No. 64 above but 65 mm dia.

-ditto- all as per item No. 64 above but 50 mm dia.

Supply and fixing in repairs cast iron Y strainer flanged ends with SS perforated sheet screen of size 100 mm complete all as specified and directed by the Engr-in-Charge. (Make: - ADVANCE/ AUDCO/ LEADER/CASTLE/ NVR/ ZOLOTO).

-ditto- all as per item No. 69 above but 80 mm dia.

Supply and fixing in repairs cast iron non return valves of dia 100 mm pressure class PN 16 including nuts, bolts, washers, gaskets, etc for Central type AC plants complete all as specifed and directed by Engineer-in-Charge. (Make: - ADVANCE/ AUDCO/ LEADER/CASTLE/ NVR/ ZOLOTO).

-ditto- all as per item No. 71 above but 80 mm dia.

M & L for Insulation of M S Pipe of dia 80 mm with PUF slab 40 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet including taking down old unserviceable one, complete all as specified and directed by engineer in charge.

M & L for Insulation of M S Pipe of dia 100 mm with PUF slab 40 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet including taking down old unserviceable one, complete all as specified and directed by engineer in charge.

Taking down carefully existing surface/ concealed unserviceable aluminum/ copper point wiring (light, fan, socket, power or sunken box) complete including fittings such as switches, ceiling roses, pendants, regulators, sockets, light fittings, etc. and making good to disturbed surfaces of walls, floors, ceilings, etc. where required and finished the existing surfaces after complete of new point wiring as specified here-in-after complete all as specified and as directed.

Material and labour for point wiring with 1.5 sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size dia with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 1.5 sqmm green colour as earth continuty conductor connected to common earth dolly for one light/ fan point controlled by one, one way switch complete all as specified and as directed. (Make of Cable:- FINOLEX/ HAVELLS/ POLYCAB)

-ditto- all as per item No. 76 above but one 5/6amps socket outlet point on the same board with other switches complete all as specified and as directed.

Material and labour for point wiring with 1.5sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 1.5sqmm green colour as earth continuty conductor connected to common earth dolly for one 5/6 Amps socket outlet points controlled by one, one way switch on independent board complete all as specified and as directed. (Make of Cable:- FINOLEX/ HAVELLS/ POLYCAB)

Material and labour for point wiring with 2.5sqmm (nominal area) PVC insulated and unsheathed single core FRLS (conforming to IS-694) copper cable 1100 volts grade with multi stranded copper conductor in and including PVC casing caping (medium grade) of adequet size with all fittings and accessories including 2mm thick sunk MS pressed steel terminal boxes of appropriate size with 3.0mm thick plastic laminated sheet top cover with cadmium plated iron screws complete including PVC insulated and unsheathed FRLS (conforming to IS-694) single core multi stranded copper conductor cable of size 2.5sqmm green colour as earth continuty conductor connected to common earth dolly for one 5or6 /15or16 Amps socket outlet points controlled by one, one way switch on independent board complete all as specified and as directed. (Make of Cable:- FINOLEX/ HAVELLS/ POLYCAB)

Supply & fixing switch piano flush type 5 amp single Pole one way complete all as specified and directed by Engr-in-Charge. (Make:- ANCHOR/ LEGRAND/ CONA/ HAVELLS)

Supply and fixing switch socket combination, 2 in 1, 2/3 pin, 5/6 Amp flush type controlled by one switch complete all as specified and directed by Engr-in-Charge. (Make:- ANCHOR/ LEGRAND/ CONA/ HAVELLS)

Supply and fixing switch socket combination 5/6 Amps and 15/16 Amps and 5 in 1, 5 pin flush type universal controlled by one switch complete all as specified and directed by Engr-in-Charge. (Make:- ANCHOR/ LEGRAND/ CONA/ HAVELLS)

Material and labour for ceiling rose PVC/ polycarbonate, isolated body 63.5x23.5mm, 3 terminals complete all as specified and directed by Engr-in-Charge. (Make:- ANCHOR/ PLAZA/ HAVELLS)

Disconnecting and S&F, in repairs, factory made Sheet metal enclosure, shutter type, for double door distribution board (when MCBs are to be used), single pole and neutral, 8 Way, 240 Volts, with 200 Amp rated busbar, complete all as specified and as directed by the Engineer-in-Charge. (MCBs shall be measured & paid for separately under respective items of this Schedule) (Make:- L&T/ SIEMENS/ LEGRAND)

Disconnecting and S&F, in repairs, factory made Sheet metal enclosure, shutter type, for double door distribution board (when MCBs are to be used), single pole and neutral, 4 Way, 240 Volts, with 200 Amp rated busbar, complete all as specified and as directed by the Engineer-in-Charge. (MCBs shall be measured & paid for separately under respective items of this Schedule) (Make:- L&T/ SIEMENS/ LEGRAND)

Supply only in replacement MCB SPN 32 Amps 230 Volts all as specified. Make :L&T or equivalent in ABB/Legrand (Make:- L&T/ SIEMENS/ LEGRAND)

Supply & fixing HRFR PVC insulated single core copper conductor cable of size 6 sqmm for connections in LT Panels including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply & fixing HRFR PVC insulated single core copper conductor cable of size 10 sqmm for connections in LT Panels including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply & fixing PVC insulated and FR PVC Round Sheathed, 3 core copper conductor cable of size 1.5 sqmm ,including copper thimbles including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

Supply and fixing digital type Voltage protection device (VPD),440 V suitable for 30 TR AC plant including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge.

Supply and fixing digital type motor protection device (MPD),30-220 amps suitable for 30 TR AC plant including taking down old unserviceable one complete all as specified and directed by Engineer-in-Charge.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, armoured, electric power cables (heavy duty) 1100 Volts grade with aluminium conductor of cross sectional area 16 Sqmm, 4 core with galvanized steel strip or wire including taking down old unserviceable one complete all as specified and directed by Engineer-in-charge. (Make:- RR KABEL./ FINOLEX/ POLYCAB/ KEI INDUSTRIES LTD./ HAVELLS.)

`-ditto- all as per item No. 92 above but cross sectional area 10 Sqmm, 4 core.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 10 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 16 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 25 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply & fixing in repairs aluminium lugs for cable of cross sectional area 35 Sqmm complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement LED street light fitting 60 Watt 230 V AC outdoor type with high pressure die cast aluminum housing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete all as specified and directed by Engr-in-Charge. (Make : Havells/Phillips/Bajaj)

Supply and fixing in repairs of basic all purpose surface and wall mounted LED batten 20 Watt with polycarbonate housing & intigrated electronic driver with all necessary fixing accessories complete all as specified and as directed. (Make : Havells/Phillips/Bajaj)

Material and Labour for frame work with angle iron for frame support, with fabrication, welding joining including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 including taking down old unserviceable one complete all as specified and as directed by Engr-In-charge.

Supply and fixing in repairs gun metal gate valves with iron wheel head, screwed both ends for iron pipe, ISI Marked, as per IS:778 of size 25 mm bore complete all as specified and directed. (Make:- KIRLOSKAR/ LEADER/ ZOLOTO)

Supply and fixing in repairs Immersion heaters of cap 5 KW 230/440 volts as required (Make:- Dasspass/crown/Theata)

Supply and fixing in repairs strip heater heaters of cap 3 KW 230/440 volts as required (Make:- Dasspass/crown/Theata)

Supply and fixing in repairs strip heater heaters of cap 2 KW 230/440 volts as required (Make : Dasspass/crown/Theata)

S&F in repairs thermostatic expansion valve suitable for existing AC Plant including cutting, welding, brazing, replacement of new gasket, nut bolt, washer etc all as specified & directed by Engineer-in-Charge, (Make-Sporlon/ Danfoss) Note :- Before disconnecting the existing expansion valve from the system the refrigerant has to be pump down or taken in empty cylinder by help of ICE etc.

S&F in replacement of temeperature Sensors of the chiller and condenser lines operates by mercury liquid of range 0-50⁰C (Make:- Fiebig/H guru/AE)

S&F in replacement of compound gauges of the chiller and condenser lines of range 0 - 150Psi. (Make:- Fiebig)

Supply and fixing in repair pumpset tyre coupling including bolts, rubber bush/tyre , lathe work if required for 3 H.P capacity pumpset, complete all as specified and directed by the Engr-in-Charge. (Make:- as per sample)

Supplying and fixing Fire Extinguisher Carbon dioxide (CO2) extinguishers consisting of welded M.S. cylindrical body, light weight squeeze lever discharge valve fitted with pressure indicating gauge with internal discharge tube, discharge nozzle suspension bracket of capacity 4.5 Kg as per IS: 2878 complete with holding accessories including taking down old unserviceable one complete all as specified & directed by Engineer-in-Charge.

-ditto- all as per item No. 109 above but CO2 of capacity 6 Kg.

Supply and fixing in repair fan belt of size B-43,A-58,A-50.A- 34 to A-41 (Make:- Fenner/Dunlop)

Supply & fix in repairs fan belt of size B 73 to B-76,B 82,B 92, (Make:- Fenner/Dunlop)

Supply and fixing in repairs bakelite terminal plate including brass studs, bolts and nuts etc suitable to match any make of 3 phase electric motors and capacity up to 7.5 HP complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repairs of PVC fins size 600x300x150 for Cooling Tower, Complete all as specified & directed. (Make:- as per sample)

Supply and fixing in repairs of PVC eleminators size 600x300x150 for Cooling Tower, Complete all as specified & directed. (Make:- as per sample)

Supply and fixing in repair H.P/L.P cutout type MP15 as specified and as directed. (Make:- Danfoss)

Supply and fixing in repair oil pressure failure switch type MP55 as specified and as directed. (Make:- Danfoss)

M &L for dismantling the old broken fan hub assembly including blades of cooling tower and replacement with new fan hub assembly with die cast aluminium blades adjustible pitch axial fan of dia 1500 mm heavy duty as per existing size including U-clamps, nuts, bolts & washersetc.,complete all as specified and directed by Engineer-in-Charge.

-ditto- all as per item no. 118 above but fan of dia 1200 mm

Supply and fixing in repairs of PVC branch pipe of (set of 4 Nos.) including PVC flaps clamps etc complete all as specified and directed by Engineer-in-Charge.

Material & Labour in repairs for earthing with galvanized steel earth plate electrode of size 60cmx60cm x6mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to the galvanized earth lead by means of bolts, nuts check nuts and washers of galvanized iron strip 25x4mm as earth lead as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal of surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm dia GI medium grade watering pipe, 40 mm dia GI medium grade earth lead protection pipe and pre-cast earth pit cover 50mm thick made of RCC (1:1.5:3) type A1 duly reinforced with 8mm dia TMT bar @100mm c/c both ways, one lifting handle made out of 10mm dia TMT bar 250mm long embedded in cover slab and cover, wire, copper lugs etc mesh, charcoal and common salt in alternate layer of 15cm thick including taking down old unserviceable one complete all as specified and directed.

Supply and fixing in repairs of earth continuity conductor or main earthing lead (GI strip extension) of size 25 X 4mm fixed to plinth or buried in ground or drawn in GI pipe or any other situation as indicated for loop earthing etc complete all as specified and directed.

M&L for Disconnecting from mains/ taking out existing unserviceable/defective Compressors of Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu and supply and fixing new compressor of capacity 9875 (BTUH) including making connections of suction and discharge copper pipe by brazing, pressure testing by Nitrogen gas, rectification of leakage if any, vacuumising and initial charging of refrigerant gas R-404A commissioning & testing for satisfactory working complete all as specified and directed by Engineer-in-Charge. (Make:-Model No. NTZ108A4LR1A in Danfoss or equivalent model of make Voltas/ Blue Star/ Tecumseh.) (Note :- The rates quoted by the contractor shall deemed to be included the cost of initial charging of Refrigerant gas R-404A)

Supply and Fixing in repairs, Liquid Line Solenoid Valve for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge. Make:- Danfoss or equivalent

Supply and Fixing in repairs, Thermostat (MP-15) for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs, Drier Filter for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Oil Reciever cum accummulator for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Condensor fan assembly complete with Motor & fan blade etc. for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Indoor fan assembly complete with Motor & fan blade etc.suitable for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Cooling Coil complete suitable for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Sub Zero Digital display suitable for Cold room refrigerator Machine of capacity 9000 Btu x 2=18000 Btu complete all as specified and as directed by Engr-in-Charge.

M&L for Disconnecting from mains/ taking out existing unserviceable/defective Compressors of Cold room refrigerator Machine of capacity 20000 Btu at 0 deg) and supply and fixing new compressor including making connections of suction and discharge copper pipe by brazing, pressure testing by Nitrogen gas, rectification of leakage if any, vacuumising and initial charging of refrigerant gas R-404A commissioning & testing for satisfactory working complete all as specified and directed by Engineer-in-Charge. (Make:-Model No. ZB29KQE-TFD-524 in Emerson or equivalent model of make Voltas/ Tecumseh.) (Note :- The rates quoted by the contractor shall deemed to be included the cost of initial charging of Refrigerant gas R-404A)

Material and labour for detecting of leakages of gases in Cold room refrigerator machine of any capacity installed at 226 ASC Supply Depot and rectifying the defect to stop the leakage by gas welding or by any other means including cutting and brazing of copper tubes testing and commissioning complete in satisfactory working condition.

Supply and filling refrigerant gas R-404-A in Cold Room Chamber unit of any capacity complete all as specified and as directed.

Supply and Fixing in repairs LP/HP cut off pressure switch suitable for Cold room refrigerator Machine of capacity 20000 Btu at 0 deg complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Condensor Fan assembly complete with Motor, Blade etc. suitable for Cold room refrigerator Machine of capacity 20000 Btu at 0 deg complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs Liquid Line Drier filter suitable for Cold room refrigerator Machine of capacity 20000 Btu at 0 deg complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing in repairs PCB Control Panel with digital display suitable for Cold room refrigerator Machine of any capacity installed at 226 ASC Depot complete all as specified and as directed by Engr-in-Charge.

Supply & fixing heavy duty copper pipe 3/8" dia bore complete including insulation brazing, welding, nuts, bolts and screws of required size complete all as specified and directed by Engr-in-Charge. (Make:- MALASIA/CAMIPRO/ DIAMOND/STAR)

ditto- all as per item No. 139.00 above but copper pipe 6/8") dia/ bore.

Taking down unserviceable insulation for copper pipe of any dia, supply and fixing new insulation for copper pipes suitabale for cold room refrigerator Machine of any capacity complete all as specified and directed by Engineer-in-charge.

Supply and fix MCB DB TPN 4 Way comprising of following. (a) 63 Amp MCB TPN 'C'- Curve type 10 KA-01 No, incoming, Make- Legrand/Havells/Starndrad. (b) 32 Amp MCB TPN -03 Nos. outgoing, Make- Legrand/Havells/Starndrad. (c) MCB DP 10 Amp -01 No outgoing, Make- Legrand/Havells/Starndrad.

Supply and fixing sheet metal enclosure DB TPN 415 volts 4 way single door type, with 200 amps rated bus bar with IP43 protection including one MCB TPN 6 to 10 Amp, 10 kA, C curve, 415 volts complete all as specified and directed by Engr-in-Charge. (Make:- L&T/ Siemens/Legrand/ ABB/ Schneider.)

M & L for Insulation of Clod storage Chillier Room with PUF slab 50 mm thick with and including applying bituminous compound complete all As specified and directed by Engineer in charge

M & L for Insulation of Clod storage freezer Room with PUF slab 100 mm thick with and including applying bituminous compound complete all As specified and directed by Engineer in charge .

Disconnecting from mains/taking out existing unserviceable/defective Servo Voltage of capacity 10 KVA of any size, type, and make removing from foundation transporting to repair workshop drain out old stablizer oil, taking out core taking out the unserviceable burnt out transformer, re-winding with super enameled copper wire of existing size applying proper insulation, varnish drying in oven, painting inside of the Stablizer Tank with yellow paint and outside body with synthetic enamel paint of existing tint/colour assembling and filling up the transformer oil transporting back to site, re-installating, testing and commissioning complete all as specified and as directed by Engineer-in-Charge. (i) Oil required for filling in the stablizer shall be measured & paid separately as supply only under respective item of this Sch.

Supplying and fixing in repairs 15mm bore dia gun metal gate valve with iron wheel head screwed both ends for iron pipe complete all as specified and as directed. (Make:- KIRLOSKAR/ LEADER / VENUS/ ZOLOTO/ AUDCO)

Supplying and fixing in repairs 25mm bore dia gun metal gate valve with iron wheel head screwed both ends for iron pipe complete all as specified and as directed. (Make:- KIRLOSKAR/ LEADER / VENUS/ ZOLOTO/ AUDCO)

Supplying and fixing in repairs 15mm bore dia PTMT connection pipe of length 450mm including PVC washer on both side complete all as specified and as directed. (Make:- Prayag/ Polytuff)

Supply and fixing in repairs PVC flexible drain pipe 32 mm including all fixing accessories complete all as specified and as directed. (Make:- Prayag/ Polytuff)

Material and labour for taking down unserviceable ducts and Supply, Fabrication, Installation, Balancing and Commissioning of Site fabricated GSS sheet metal rectangular ducting of 0.79mm thick (22 gauge) with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports & mounting ,connecting unit to duct, controller fixation, joint gasket , nut, bolts ,flanges, cleats, etc. complete all as specified and directed by engineer in charge.

Material and labour for taking down unserviceable air grills of any size and Supply & Fixing of aluminium anodised powder coated supply air grills of 1mm thickness, minimum gap between air grills blade of 30mm and width of blade of 30mm horizontally fixed as per manufactureres specification/ design complete all as specified and directed by engineer in charge

Material and labour for taking down unserviceable canvas connector cloth and Supply and fixing of fire retardant canvas connector cloth (approved by Engr-in-Charge) for connection of cooler with ducts complete all as specified and directed by engineer in charge

Taking down Ductable super cooler installed at ESD of any type & capacity from any height / floor and refixing the same in same location after repair work/ overhauling all as required at site.

Supply and fixing in repairs of Turbo axial fan motor of capacity 1.1KW, 1400 RPM, 3 phase, 100% copper wounded including Fan blade of suitable existing size and fan brackets, clamps of suitable size etc and all fixing accessories complete all as specified & as directed.Make as per recommended by original manufacturer of Evaporative Cooling System installed at ESD, Delhi cantt (i.e Model Toofan 19K-3G of Kaava)

Supply and fixing in repairs submersible pump motor suitable for Evaporative Cooling System installed at ESD, Delhi cantt (i.e Model Toofan 19K-3G of Kaava) working complete all as specified & as directed.

Supply and fixing in repairs side panels / Cooling Pads (set of Four) suitable for Evaporative Cooling System installed at ESD, Delhi cantt (i.e Model Toofan 19K-3G of Kaava) working complete all as specified & as directed.

M&L for replacing the compressor oil N-68 of compressor including draining and disposing the old compressor oil. (Make : HPCL (Seetal)/ HP (Seetal)/ Servo)